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Targeting the LPA1 signaling pathway for fibrosis therapy: a patent review (2010-present)
Zhihao Gu1, Yong Yan1, Hequan Yao1
1Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, China.
Introduction:
Fibrosis is a disease that damages organs and even causes death. Because of the complicated pathogenesis, the development of drugs for fibrosis is challenging. In the lysophosphatidic acid receptor type 1 (LPA1) signaling pathway, LPA1 and its downstream Rho-associated coiled-coil forming protein kinase (ROCK) are related to the process of fibrosis. Targeting LPA1 signaling pathway is a potential strategy for the treatment of fibrosis.
Area Covered:
This review describes the process of fibrosis mediated by the LPA1 signaling pathway and then summarizes LPA1 antagonist patents reported since 2010 and ROCK inhibitor patents since 2017 according to their scaffolds based on the Cortellis Drug Discovery Intelligence database. Information on LPA1 antagonists entering clinical trials is integrated.
Expert Opinion:
Over the past decade, a large number of antagonists targeting the LPA1 signaling pathway have been patented for fibrosis therapy. A limited number of compounds have entered clinical trials. Different companies and research groups have used different scaffolds when designing compounds for fibrosis therapy. Therefore, LPA1 and ROCK are competitive targets for the development of new therapies for fibrosis to provide a potential treatment method for fibrosis in the future.
Insights
Fibrosis treatments face challenges due to complex causes. Targeting the lysophosphatidic acid receptor type 1 (LPA1) and Rho-associated coiled-coil forming protein kinase (ROCK) pathways shows promise for developing new anti-fibrosis drugs.
Area of Science:
- Pharmacology
- Drug Discovery
- Fibrosis Research
Background:
- Fibrosis is a significant cause of organ damage and mortality.
- The lysophosphatidic acid receptor type 1 (LPA1) signaling pathway, including LPA1 and its downstream target Rho-associated coiled-coil forming protein kinase (ROCK), is implicated in fibrosis pathogenesis.
- Developing effective anti-fibrosis drugs is challenging due to the complex mechanisms underlying the disease.
Approach:
- This review analyzes patents for LPA1 antagonists (since 2010) and ROCK inhibitors (since 2017) using the Cortellis Drug Discovery Intelligence database.
- The patent analysis categorizes compounds by their chemical scaffolds.
- Data on LPA1 antagonists that have advanced into clinical trials is incorporated.
Key Points:
- Numerous LPA1 antagonist patents have been filed for fibrosis treatment over the last decade.
- A small number of these compounds have progressed to clinical trials.
- Diverse chemical scaffolds are being explored by different entities for developing fibrosis therapies targeting LPA1 and ROCK.
Conclusions:
- The LPA1 signaling pathway presents a viable target for anti-fibrosis drug development.
- LPA1 and ROCK serve as competitive targets for novel therapeutic strategies against fibrosis.
- Continued research into LPA1 antagonists and ROCK inhibitors may yield future treatment options for patients suffering from fibrosis.
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